<!-- tab切换star -->
   <ul class="tab-list" :class="{fixTitle:whether}">
    <li @click="curId=0" :class="{'cur':curId===0}">产品特点</li>
    <li @click="curId=1" :class="{'cur':curId===1}">投保须知</li>
    <li @click="curId=2" :class="{'cur':curId===2}">理赔流程</li>
   </ul>
  <!-- 切换内容star -->

<div class="tab-con">
 <div v-show="curId===0">
    第一部分内容
  </div>
 <div v-show="curId===1">
    第二部分内容
  </div>
 <div v-show="curId===2">
    第三部分内容
  </div>
</div>

data(){
  return:{
    whether:false,
    curId:0
  }
}

  handleScroll() {
   var scrollTop =
    window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop;
   // console.log(scrollTop)
   if(scrollTop>329){
    this.whether = true;
   }else{
    this.whether = false;
   }
  },

<template>
  <div class="tab__main" :style="prop.box_style ">
    <div class="tab__div">
      <ul class="tab__list" :style="prop.attr.tab_style ">
        <li class="tab__item" v-for="(tabs, index) in prop.attr.tab_content" :key="tabs.tab_menu" @click="onClickTabs(index)"
        >
          <span :style="tabStyle(index)">{{ tabs.tab_menu }}</span>
        </li>
      </ul>
      <div class="active__line" :style="prop.attr.cur_slide_style "></div>
    </div>
  </div>
</template>

.tab__div {
  width: 100%;
  height: 102px;
  position: relative;
  padding-top: 36px;
  background-color: #fff;
  .tab__list {
    display: flex;
    .tab__item {
      flex: 1;
      font-size: 32px;
    }
    .tab__item-current {
      font-weight: 700;
    }
  }
  .active__line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 187.5px;
    height: 5px;
    background-color: #4B8FFB;
    transition: all 300ms;
  }
}

export default {
  name: 'TabModule',
  props: {
    prop: {
      type: Object
    }
  },
  data () {
    return {
      scrolltop: null,
      dom: null,
      domobj: {} // 各个dom的页面位置
    }
  },
  computed: {
    tabStyle () {
      return function (params) {
        return this.prop.attr.tab_content[params].tab_style || ''
      }
    }
  },
  mounted () {
    this.onWatchScroll()
    // 这里首次进入页面当前选中项为第一个
    document.querySelectorAll('.tab__item')[0].style = this.prop.attr.cur_tab_style "htmlcode">

<template>
  <div>
    <div class="div__header"></div>
    <tab-module :prop="tabattributes"></tab-module>
    <div :id="tabattributes.attr.tab_content[index].anchor_point" class="div__item" v-for="(item, index) in fordiv" :key="item">{{ item }}</div>
    <div class="div__footer">我是有底线的</div>
  </div>
</template>

import TabModule from '../../components/TabModule.vue'
export default {
  components: {
    TabModule
  },
  data () {
    return {
      tabattributes: {
        box_style: "margin-top: 10px;",         
        attr: {      
          cur_tab_style: "font-weight: 700;", 
          cur_slide_style: "",
          tab_content: [{
            tab_menu: "控件1",       
            anchor_point: "DomPoint1",
            tab_style: "" 
          }, {
            tab_menu: "控件2",       
            anchor_point: "DomPoint2",  
            tab_style: "" 
          }, {
            tab_menu: "控件3",       
            anchor_point: "DomPoint3",  
            tab_style: "" 
          }, {
            tab_menu: "控件4",       
            anchor_point: "DomPoint4", 
            tab_style: "" 
          }]
        }
      },
      fordiv: ['页面控件1', '页面控件2', '页面控件3', '页面控件4']
    }
  }
}

<style lang="less" scoped>
.div__header {
  width: 100%;
  height: 200px;
  background-color: #909;
}
.div__item {
  width: 100%;
  height: 400px;
  background-color: rgb(78, 215, 224);
  text-align: center;
  font-size: 26px;
}
.div__footer {
  width: 100%;
  height: 200px;
  background-color: #090;
}
</style>




以上这篇vue tab滚动到一定高度,固定在顶部,点击tab切换不同的内容操作就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。